qt/leleja/mytabreportdialog.cpp

   1 #include <iostream>
   2 #include "mytabreportdialog.h"
   3 #include "myrank.h"
   4
   5 #include <QPainter>
   6 #include <QPixmap>
   7 #include <QString>
   8 #include <QTextStream>
   9
  10 MyTabReportDialog::MyTabReportDialog(QWidget *parent)
  11     : QDialog(parent)
  12 {
  13     std::cout << "MyTabReportDialog::MyTabReportDialog()\n";
  14
  15     setupUi(this);
  16
  17     connect(this->unitComboBox, SIGNAL(currentIndexChanged(int )),
  18             this, SLOT(updateLineEdits()));
  19
  20     //
  21     pixmapChanged = true;
  22 }
  23
  24 MyTabReportDialog::~MyTabReportDialog()
  25 {
  26     std::cout << "MyTabReportDialog::~MyTabReportDialog()\n";
  27 }
  28
  29 void MyTabReportDialog::paintEvent(QPaintEvent *event)
  30 {
  31     std::cout << "MyTabReportDialog::paintEvent()\n";
  32
  33     if (pixmapChanged == true) {
  34         labelGraphics->setScaledContents(true);
  35         labelGraphics->setPixmap(m_piePixmap);
  36
  37         labelRank->setScaledContents(true);
  38         labelRank->setPixmap(m_rankPixmap);
  39
  40         pixmapChanged = false;
  41     }
  42 }
  43
  44 void MyTabReportDialog::resizeEvent(QResizeEvent *event)
  45 {
  46     std::cout << "MyTabReportDialog::resizeEvent()\n";
  47
  48     emit redrawContent();
  49 }
  50
  51 void MyTabReportDialog::drawMyPie(QPainter *painter)
  52 {
  53     std::cout << "MyTabReportDialog::drawMyPie()\n";
  54
  55     // Days remaining
  56     painter->setBrush(QBrush(Qt::red, Qt::SolidPattern));
  57     painter->drawPie(0, 0,
  58                      labelGraphics->size().width(),
  59                      labelGraphics->size().height(),
  60                      0,
  61                      ((float) m_daysLeft / m_totalDays) * 16 * 360);
  62
  63     // Days off
  64     painter->setBrush(QBrush(Qt::blue, Qt::SolidPattern));
  65     painter->drawPie(0, 0,
  66                      labelGraphics->size().width(),
  67                      labelGraphics->size().height(),
  68                      ((float) m_daysLeft / m_totalDays) * 16 * 360,
  69                      ((float) m_daysOff / m_totalDays) * 16 * 360);
  70
  71     // Days that have been served
  72     painter->setBrush(QBrush(Qt::green, Qt::SolidPattern));
  73     painter->drawPie(0, 0,
  74                      labelGraphics->size().width(),
  75                      labelGraphics->size().height(),
  76                      ((float) (m_daysLeft + m_daysOff) / m_totalDays) * 16 * 360,
  77                      ((float) (m_totalDays - m_daysLeft - m_daysOff) / m_totalDays) * 16 * 360);
  78 }
  79
  80 void MyTabReportDialog::drawMyLegend(QPainter *painter)
  81 {
  82     QString resultStr;
  83     float percentDaysServed;
  84     float percentDaysLeft;
  85     float percentDaysOff;
  86
  87     std::cout << "MyTabReportDialog::drawMyLabel\n";
  88
  89     // Calculate percentages
  90     percentDaysServed = 100.0 * (m_totalDays - m_daysLeft - m_daysOff) / m_totalDays;
  91     percentDaysLeft = 100.0 * m_daysLeft / m_totalDays;
  92     percentDaysOff = 100.0 * m_daysOff / m_totalDays;
  93
  94     // Print percentages into a string using a text stream
  95     QTextStream out(&resultStr);
  96     out.setRealNumberPrecision(3);
  97
  98     out << QString::fromUtf8("Υπηρετήθηκε = ") << percentDaysServed << "%\n";
  99     out << QString::fromUtf8("Και σήμερα = ") << percentDaysLeft << "%\n";
 100     out << QString::fromUtf8("Άδεια = ") << percentDaysOff << "%\n";
 101
 102     // Draw string
 103     painter->setPen(QPen(Qt::white));
 104     painter->drawText(QRect(0, 0,
 105                             labelGraphics->size().width(),
 106                             labelGraphics->size().height()),
 107                       Qt::AlignCenter, resultStr);
 108 }
 109
 110 void MyTabReportDialog::drawMyRank(QPainter *painter)
 111 {
 112     std::cout << "MyTabReportDialog::drawMyRank()\n";
 113
 114     // Load rank image
 115     m_image = QImage(m_rank.getImageFileName());
 116     if (m_image.isNull()) {
 117         std::cout << "MyTabReportDialog::drawMyRank(): "
 118                   << "the loading of the image failed\n";
 119         // return;
 120     }
 121
 122     // Draw rank image
 123     painter->drawImage(QPoint((labelRank->size().width() - m_image.width()) / 2,
 124                               (labelRank->size().height() - m_image.height()) / 2),
 125                        m_image);
 126 }
 127
 128 void MyTabReportDialog::drawPixmaps(void)
 129 {
 130     // Create the pixmaps
 131     m_piePixmap = QPixmap(labelGraphics->size());
 132     m_rankPixmap = QPixmap(labelRank->size());
 133
 134     m_piePixmap.fill(this, 0, 0);
 135     m_rankPixmap.fill(this, 0, 0);
 136
 137     // Create a QPainter to draw on the pixmap
 138     QPainter piePainter(&m_piePixmap);
 139     QPainter rankPainter(&m_rankPixmap);
 140
 141     // Set the painter's pen and backround to be the same as the parent window
 142     piePainter.initFrom(this);
 143     rankPainter.initFrom(this);
 144
 145     // Enable antialiasing mode
 146     piePainter.setRenderHint(QPainter::Antialiasing, true);
 147     rankPainter.setRenderHint(QPainter::Antialiasing, true);
 148
 149     // Draw pie
 150     drawMyPie(&piePainter);
 151
 152     // Draw label
 153     drawMyLegend(&piePainter);
 154
 155     // Draw rank image
 156     drawMyRank(&rankPainter);
 157
 158     // This function won't invoke an immediate repaint,
 159     // instead it will schedule a paint event that will be processed,
 160     // whenever Qt returns to the main event loop.
 161     update();
 162 }
 163
 164 void MyTabReportDialog::updateLineEdits(void)
 165 {
 166     int currentIndex;
 167
 168     std::cout << "MyTabReportDialog::updateLineEdits()\n";
 169
 170     // Get current selection regarding time unit
 171     currentIndex = unitComboBox->currentIndex();
 172     if (currentIndex == -1) {
 173         // XXX: No current item is set or the combobox is empty
 174         return;
 175     }
 176
 177     std::cout << "Current index = " << currentIndex << std::endl;
 178
 179     servedLineEdit->setText(QString::number(getTime(m_totalDays - m_daysLeft - m_daysOff, currentIndex)));
 180     leftLineEdit->setText(QString::number(getTime(m_daysLeft, currentIndex)));
 181     daysoffLineEdit->setText(QString::number(getTime(m_daysOff, currentIndex)));
 182 }
 183
 184 void MyTabReportDialog::setDaysLeft(unsigned int daysLeft)
 185 {
 186     std::cout << "MyTabReportDialog::setDaysLeft()\n";
 187
 188     m_daysLeft = daysLeft;
 189 }
 190
 191 void MyTabReportDialog::setDaysOff(unsigned int daysOff)
 192 {
 193     std::cout << "MyTabReportDialog::setDaysOff()\n";
 194
 195     m_daysOff = daysOff;
 196 }
 197
 198 void MyTabReportDialog::setDaysTotal(unsigned int totalDays)
 199 {
 200     std::cout << "MyTabReportDialog::setDaysTotal()\n";
 201
 202     m_totalDays = totalDays;
 203 }
 204
 205 void MyTabReportDialog::setRank(MyRank rank)
 206 {
 207     std::cout << "MyTabReportDialog::setRank()\n";
 208
 209     m_rank = rank;
 210 }
 211
 212 unsigned int getTime(unsigned int nDays, int toWhat)
 213 {
 214     unsigned int ret;
 215
 216     std::cout << "getTime():\tnDays = " << nDays << "\ttoWhat = " << toWhat;
 217     switch(toWhat) {
 218     case MONTHS:
 219         ret = nDays / 30;
 220         break;
 221     case WEEKS:
 222         ret = nDays / 7;
 223         break;
 224     case DAYS:
 225         ret = nDays;
 226         break;
 227     case HOURS:
 228         ret = nDays * 24;
 229         break;
 230    case MINUTES:
 231         ret = nDays * 24 * 60;
 232         break;
 233     case SECONDS:
 234         ret = nDays * 24 * 60 * 60;
 235         break;
 236     default:
 237         ret = -1;
 238     }
 239
 240     std::cout << "\tret = " << ret << std::endl;
 241
 242     return ret;
 243 }